www.medigraphic.org.mx * Specialist in Endodontics and Dental Radiology and Imaging, Hospital for the Rehabilitation of Craniofacial Anomalies of the University of Sao Paulo. Professor in Applied Dental Sciences, Bauru School of Dentistry, University of Sao Paulo, Brazil. § PhD in Oral Pathology. Bauru School of Dentistry, University of Sao Paulo, Brazil. Teacher at the Pediatric Dentistry Depa...